wasm-bindgen/examples/webaudio/index.js
Andrew Chin 153acdb4fd Fix webaudio example
The rust set_* functions except numbers, not strings.
2019-01-28 23:54:40 -05:00

41 lines
1.0 KiB
JavaScript

import('./pkg/webaudio')
.then(rust_module => {
let fm = null;
const play_button = document.getElementById("play");
play_button.addEventListener("click", event => {
if (fm === null) {
fm = new rust_module.FmOsc();
fm.set_note(50);
fm.set_fm_frequency(0);
fm.set_fm_amount(0);
fm.set_gain(0.8);
} else {
fm.free();
fm = null;
}
});
const primary_slider = document.getElementById("primary_input");
primary_slider.addEventListener("input", event => {
if (fm) {
fm.set_note(parseInt(event.target.value));
}
});
const fm_freq = document.getElementById("fm_freq");
fm_freq.addEventListener("input", event => {
if (fm) {
fm.set_fm_frequency(parseFloat(event.target.value));
}
});
const fm_amount = document.getElementById("fm_amount");
fm_amount.addEventListener("input", event => {
if (fm) {
fm.set_fm_amount(parseFloat(event.target.value));
}
});
})
.catch(console.error);